System Design Blog

In-depth guides on system design interviews, distributed systems, and software architecture.

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FAANG Interview Preparation Guide 2026: Master Google, Meta & Amazon Interviews in 8 Weeks

Proven 80/20 FAANG interview strategy used to crack Google, Meta, and Amazon. Learn coding patterns, system design, and behavioral interview tips. Complete 8-week prep plan included.

25 min readRead
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The Recent Questions Strategy: Crack FAANG Interviews in 2 Weeks Using Glassdoor & LeetCode

Learn how to prepare for Google, Meta, Amazon interviews quickly by focusing on recently asked questions from Glassdoor and LeetCode. Best last-minute interview prep strategy for 2026.

21 min readRead
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Why Distributed Systems Fail: 15 Failure Scenarios Every Engineer Must Know

A comprehensive guide to the most common failure modes in distributed systems, from network partitions to split-brain scenarios, with practical fixes for each.

29 min readRead
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The 7 System Design Problems You Must Know Before Your Interview

These 7 system design questions appear in 80% of interviews at Google, Meta, Amazon, and Netflix. Master them, and you can handle any variation.

19 min readRead
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Amazon System Design Interview: Leadership Principles Meet Distributed Systems

How Amazon's system design interviews differ from other FAANG companies. Real questions, LP integration, and what bar raisers actually look for.

18 min readRead
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CAP Theorem Explained: What Every Engineer Should Know

A clear explanation of the CAP theorem with real-world examples. Learn how to apply CAP theorem thinking in system design interviews.

14 min readRead
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Building Data-Intensive Systems: The Complete Guide (2026)

Learn how to choose the right database, scale your system, and design data architecture. Covers PostgreSQL vs MongoDB, database sharding, replication, caching with Redis, and CAP theorem with real examples from Instagram, Uber, and Netflix.

39 min readRead
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Database Sharding: When and How to Scale Your Database

Complete guide to database sharding. Learn horizontal partitioning strategies, shard key selection, and when sharding is the right choice.

14 min readRead
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Design a Rate Limiter: Complete System Design Guide

How to design a rate limiter for system design interviews. Covers token bucket, sliding window, distributed rate limiting, and edge cases.

14 min readRead
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Design Twitter: System Design Interview Complete Guide

How to design Twitter's timeline, tweet posting, and follow system. Covers fan-out strategies, real-time delivery, and scaling to billions of users.

13 min readRead
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Design a URL Shortener: System Design Interview Answer

Complete guide to designing a URL shortener like bit.ly. Covers requirements, scale calculations, database design, and common follow-up questions.

12 min readRead
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FAANG System Design Interview: What to Expect in 2026

Inside look at FAANG system design interviews. Learn what Google, Meta, Amazon, Apple, and Netflix actually ask and how to prepare.

16 min readRead
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I Failed My System Design Interview: Here's What I Learned

A candid post-mortem of system design interview failures and the specific changes that led to passing. If you've failed before, this is for you.

12 min readRead
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Google System Design Interview: What to Expect at L5, L6, and L7

An insider guide to Google's system design interviews. Real questions, evaluation criteria, and level-specific expectations from engineers who've been through the process.

15 min readRead
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How to Prepare for System Design Interviews: Complete Guide

A proven preparation strategy for system design interviews. Learn what to study, how to practice, and the exact process that helped engineers land FAANG offers.

13 min readRead
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Staff Engineer System Design Interview: What Changes at the Senior+ Level

The system design bar rises significantly at Staff level. Learn what interviewers expect beyond Senior, with real questions and evaluation criteria.

15 min readRead
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The Ultimate System Design Interview Cheat Sheet (2026)

Everything you need on one page: key concepts, capacity numbers, design patterns, and interview frameworks. Print it, memorize it, ace your interview.

12 min readRead
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How to Prepare for a System Design Interview in 2 Weeks

A day-by-day roadmap to ace your system design interview in 14 days. Battle-tested by engineers who landed offers at Google, Meta, Amazon, and Netflix.

13 min readRead
system-designframeworkinterview

The Only System Design Framework You Need

A proven framework for approaching any system design interview question. Step-by-step process used by engineers who passed Google, Meta, and Amazon.

15 min readRead
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7 System Design Interview Mistakes That Cost You the Job

Avoid these common system design interview mistakes that eliminate candidates. Learn what interviewers actually look for and how to stand out.

17 min readRead
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Top 25 System Design Interview Questions (2026)

The most common system design interview questions asked at Google, Meta, Amazon, and other top tech companies. Complete with what interviewers look for.

10 min readRead
system-designinterviewframework

The Universal System Design Interview Framework: 8 Steps to Design ANY System

Master the complete 8-step framework used by Principal Architects to ace system design interviews at Google, Amazon, Meta, and Netflix. Learn to design Twitter, Uber, or any system you've never seen before.

30 min readRead
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What System Design Interviewers Actually Look For (From 100+ Interviews)

After conducting 100+ system design interviews at top tech companies, here's exactly how candidates are evaluated, and the behaviors that separate offers from rejections.

15 min readRead
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Systematic Debugging of Distributed Systems: A Practical Guide

How to find bugs methodically instead of guessing randomly, based on proven debugging science from "Why Programs Fail" by Andreas Zeller

27 min readRead
From the Interviewer's Side

Ready to Master System Design Interviews?

Learn from 25+ real interview problems from Netflix, Uber, Google, and Stripe. Created by a senior engineer who's taken 200+ system design interviews at FAANG companies.

Complete Solutions

Architecture diagrams & trade-off analysis

Real Interview Problems

From actual FAANG interviews

7-day money-back guarantee • Lifetime access • New problems added quarterly